Player Page

Van Der Westhuizen, K (Kelvin)
Dob: 2011/10/17 (U14)
Gender: Male
Chess SA id: 1110136656
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (22 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1200.3
Curent Weighted rating1172.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.3
Current floor (min rating allowed)702.7
Current highest rating achieved1202.7
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.7
Current Raw change used (final)0.0
Projected new Raw rating1200.3
Projected new Weighed rating1174.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1202.7
Projected new floor702.7
Projected new K-facor36
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1200.3
Curent Weighted rating1165.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.3
Current floor (min rating allowed)703.2
Current highest rating achieved1203.2
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.7
Current Raw change used (final)0.0
Projected new Raw rating1200.3
Projected new Weighed rating1167.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1203.2
Projected new floor703.2
Projected new K-facor36
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1157.0 1147.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1157.0 1147.0 Analysis
4 2023 Gauteng Top Schools (U13 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 1.0 1202.7 1203.2 Analysis
3 2023 Tshwane South School District CLOSED League Championship (U13) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1195.7 1193.6 Analysis
2 D4 Play Offs 2022 (U11) 2022/07/30 2022/07/30 Tshwane (GTP) Standard 60 0.83 5 3 2.0 1175.1 1168.8 Analysis
1 2022 Tshwane Chess Open Registration Tournament (D2) 2022/01/29 2022/01/29 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 2 1 3.0 60.0 85.0 1313.9 1398.9
White 2 1 1 0 1.5 75.0 212.5 1264.3 1476.8
Black 3 1 1 1 1.5 50.0 0.0 1347.0 1347.0
Standard All 5 2 2 1 3.0 60.0 85.0 1313.9 1398.9
White 2 1 1 0 1.5 75.0 212.5 1264.3 1476.8
Black 3 1 1 1 1.5 50.0 0.0 1347.0 1347.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 9 4 10 11.0 47.8 -18.5 1196.4 1177.9
White 10 4 2 4 5.0 50.0 0.0 1159.2 1159.2
Black 13 5 2 6 6.0 46.2 -32.7 1225.0 1192.4
Standard All 23 9 4 10 11.0 47.8 -18.5 1196.4 1177.9
White 10 4 2 4 5.0 50.0 0.0 1159.2 1159.2
Black 13 5 2 6 6.0 46.2 -32.7 1225.0 1192.4
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2110134037 Olivier, T (Theana) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1110160977 Mpofu, L (Learnard) 1 1.0 1 0 0 100.0 1202.7 425.0 1627.7 View list
3 1120135739 Pretorius, P (Pieter) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
4 1100117068 Van Rooyen, C (Conrad) 1 1.0 1 0 0 100.0 1195.7 425.0 1620.7 View list
5 1120136654 Richards, J (Jc) 1 1.0 1 0 0 100.0 1175.1 425.0 1600.1 View list
6 1120133903 Buchner, E (Emil) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1120144499 Eksteen, A (Andrich) 1 1.0 1 0 0 100.0 1175.1 425.0 1600.1 View list
8 1110304594 Le Roux, B (Benn) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
9 1110190165 Yousafzai, S (Sangin Khan) 1 1.0 1 0 0 100.0 1195.7 425.0 1620.7 View list
10 1120143854 Van Wyk, L (Louis) 1 0.5 0 1 0 50.0 1157.0 0.0 1157.0 View list
11 1110139982 Kock, L (Luca) 1 0.5 0 1 0 50.0 1157.0 0.0 1157.0 View list
12 1110159054 Ramkhelawan, A (Adhi) 1 0.5 0 1 0 50.0 1195.7 0.0 1195.7 View list
13 2120136659 Wiehahn, H (Hailey) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
14 1110160998 Vindell, K (Kevin) 1 0.0 0 0 1 0.0 1202.7 -425.0 777.7 View list
15 1110145803 Vermaak, GJ (Gerhardus Jacobus (Eckhard)) 1 0.0 0 0 1 0.0 1195.7 -425.0 770.7 View list
16 111088592 Pillay, T (Tahir) 1 0.0 0 0 1 0.0 1175.1 -425.0 750.1 View list
17 1110145783 Oosthuizen, R (Rodrick) 1 0.0 0 0 1 0.0 1202.7 -425.0 777.7 View list
18 1100108347 Maheshi, R (Rehaan) 1 0.0 0 0 1 0.0 1202.7 -425.0 777.7 View list
19 1100155063 Krause, R (Ricardo Freitas) 1 0.0 0 0 1 0.0 1202.7 -425.0 777.7 View list
20 2100154149 Grayer, S (Skye) 1 0.0 0 0 1 0.0 1195.7 -425.0 770.7 View list